'WHAM' is an action verb, so '!' was unnecessary.
They had to sign away royalties from their 1983 debut album to get a new record contract.
Is there a song that could rival the gayness of 'Wake Me Up Before You Go Go?' (with the sunshine brighter than Doris Day)
'Careless Whisper' was issued in the U.S. under 'George Michael of Wham!.'
It was painfully obvious Michael was using the band as a stepping stone to launch a solo career.
Since the demise of the band Ridgeley's career is in the toilet.
Ridgeley tried to become a race car driver and failed.
They are considered the flashpoint for the influx of boy bands that surged in the '80s, continuing into the '90s.

Why they might not be annoying

Their 'Make It Big' album was a self-fulfilling prophecy as it went #1 in both the U.K. and U.S.
'Careless Whisper' was the #1 song in the U.S. in 1985.
Their farewell performance at London's Wembley Stadium drew a sold-out audience of 72,000 fans.
After four years, they broke up and have no plans to get back together to record.
They remain good friends.

In 2018, Out of 7 Votes: 42.86% Annoying
In 2017, Out of 8 Votes: 50.0% Annoying
In 2016, Out of 11 Votes: 54.55% Annoying
In 2015, Out of 8 Votes: 37.50% Annoying
In 2014, Out of 31 Votes: 41.94% Annoying
In 2013, Out of 21 Votes: 52.38% Annoying
In 2012, Out of 15 Votes: 66.67% Annoying
In 2011, Out of 17 Votes: 64.71% Annoying
In 2010, Out of 34 Votes: 47.06% Annoying
In 2009, Out of 42 Votes: 54.76% Annoying
In 2008, Out of 78 Votes: 73.08% Annoying
In 2007, Out of 109 Votes: 70.64% Annoying
In 2006, Out of 243 Votes: 70.78% Annoying
In 2005, Out of 483 Votes: 69.15% Annoying